/* ============================================================
   Radiant Magical Girl Theme — 光翼战姬
   Radiant whites/golds, holographic iridescent accents,
   angelic wing motifs, light ethereal background.
   ============================================================ */

:root {
  /* Primary palette — gold & radiant */
  --gold: #d4a843;
  --gold-dark: #b8902e;
  --gold-light: #eed78a;
  --gold-pale: #faf3e0;
  --gold-gradient: linear-gradient(135deg, #d4a843, #c19a3e, #e8c861);
  --gold-glow: 0 0 24px rgba(212, 168, 67, 0.25);

  /* Iridescent / holographic accents */
  --iridescent: linear-gradient(135deg, #d4a843 0%, #c9a84c 20%, #e0c68c 40%, #f0dcc0 55%, #e0c68c 70%, #d4a843 100%);
  --holo-shimmer: linear-gradient(135deg,
    rgba(232, 200, 97, 0.15) 0%,
    rgba(240, 220, 192, 0.1) 25%,
    rgba(212, 168, 67, 0.08) 50%,
    rgba(255, 220, 180, 0.12) 75%,
    rgba(232, 200, 97, 0.15) 100%
  );

  /* Backgrounds */
  --bg: #fdfcfa;
  --bg-card: #ffffff;
  --bg-hero: linear-gradient(160deg, #fefdfb 0%, #fdf8ef 25%, #fefbf6 50%, #fef9f0 75%, #fefdfb 100%);

  /* Text */
  --text-primary: #3d3226;
  --text-secondary: #6b5d4e;
  --text-muted: #9b8e7d;
  --text-white: #ffffff;

  /* Accents */
  --accent: #d4a843;
  --accent-hover: #b8902e;
  --accent-light: #faf3e0;
  --accent-gradient: var(--gold-gradient);

  /* Functional */
  --border: #ede4d4;
  --border-light: #f5efe4;
  --shadow-sm: 0 1px 6px rgba(180, 150, 100, 0.08);
  --shadow-md: 0 4px 20px rgba(180, 150, 100, 0.12);
  --shadow-lg: 0 8px 36px rgba(180, 150, 100, 0.16);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.25s ease;
  --font-main: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-main); font-size: 16px; line-height: 1.75;
  color: var(--text-primary); background: var(--bg);
  min-height: 100vh; display: flex; flex-direction: column;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
h1 { font-size: 2.25rem; font-weight: 700; margin-bottom: 1rem; line-height: 1.35; }
h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 0.75rem; line-height: 1.35; }
h3 { font-size: 1.3rem; font-weight: 600; margin-bottom: 0.5rem; line-height: 1.35; }
p { margin-bottom: 1rem; }

/* Utility */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.mx-auto { max-width: 860px; margin-left: auto; margin-right: auto; }
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }

/* Header — sticky, radiant glass */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 12px rgba(180, 150, 100, 0.06);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-height); max-width: var(--max-width);
  margin: 0 auto; padding: 0 1.25rem;
}
.logo { display: flex; align-items: center; gap: 0.6rem; font-size: 1.15rem; font-weight: 700; color: var(--text-primary); }
.logo a { color: var(--text-primary); display: flex; align-items: center; gap: 0.6rem; }
.logo a:hover { color: var(--accent); }
.logo-icon { width: 36px; height: 36px; border-radius: var(--radius-sm); object-fit: cover; }

/* Nav */
.nav-menu { display: flex; align-items: center; gap: 0.15rem; }
.nav-menu a { display: inline-block; padding: 0.5rem 1rem; border-radius: var(--radius-sm); color: var(--text-secondary); font-size: 0.95rem; font-weight: 500; transition: color var(--transition), background var(--transition); }
.nav-menu a:hover, .nav-menu a.active { color: var(--accent); background: var(--accent-light); }
.nav-cta {
  margin-left: 0.75rem; display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.5rem 1.5rem; border-radius: 24px;
  background: var(--accent-gradient); color: var(--text-white) !important;
  font-weight: 600; font-size: 0.92rem;
  box-shadow: var(--gold-glow);
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 0 32px rgba(212, 168, 67, 0.4); opacity: 0.92; background: var(--accent-gradient) !important; color: var(--text-white) !important; }

/* Angelic wing motif — decorative divider */
.wing-divider {
  display: flex; align-items: center; justify-content: center;
  gap: 1rem; margin: 1.5rem auto; max-width: 400px;
}
.wing-divider::before, .wing-divider::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-light), var(--accent), var(--gold-light), transparent);
}
.wing-divider .wing-icon { font-size: 1.5rem; color: var(--accent); opacity: 0.6; }

/* Mobile toggle */
.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; background: none; border: none; cursor: pointer; }
.menu-toggle span { display: block; width: 24px; height: 2.5px; border-radius: 2px; background: var(--text-primary); transition: transform var(--transition), opacity var(--transition); }
.menu-toggle.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Main */
main { flex: 1; }

/* Hero — ethereal radiant */
.hero {
  background: var(--bg-hero);
  padding: 5rem 0 3.5rem; text-align: center;
  position: relative; overflow: hidden;
}
/* Radiant orbs */
.hero::before {
  content: ''; position: absolute;
  top: 10%; left: 10%; width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(232, 200, 97, 0.12), transparent 70%);
  border-radius: 50%; pointer-events: none; animation: orbFloat 8s ease-in-out infinite;
}
.hero::after {
  content: ''; position: absolute;
  bottom: 5%; right: 8%; width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(212, 168, 67, 0.1), transparent 70%);
  border-radius: 50%; pointer-events: none; animation: orbFloat 10s ease-in-out infinite reverse;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -15px) scale(1.08); }
}
.hero-content { position: relative; z-index: 1; max-width: 800px; margin: 0 auto; padding: 0 1.25rem; }
.hero-content h1 {
  font-size: 2.8rem; margin-bottom: 0.3rem; font-weight: 800;
  background: linear-gradient(135deg, #d4a843 0%, #c19a3e 30%, #e8c861 60%, #d4a843 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  text-shadow: 0 0 40px rgba(212, 168, 67, 0.15);
}
.hero-content .subtitle { font-size: 1.2rem; color: var(--text-secondary); margin-bottom: 1.5rem; font-weight: 500; }
.hero-content .hero-desc { font-size: 1.05rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 2rem; }
.hero-image { margin: 2rem auto 0; max-width: 700px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.hero-image img { width: 100%; border-radius: var(--radius-lg); }
.hero-stats { display: flex; justify-content: center; gap: 3rem; margin-top: 2rem; flex-wrap: wrap; }
.hero-stat { text-align: center; }
.hero-stat-value { font-size: 2rem; font-weight: 700; color: var(--accent); }
.hero-stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.2rem; }

/* Wing accent bar */
.hero-wings { position: relative; margin-top: 2rem; }
.hero-wings::before {
  content: '✧ ✦ ✧'; letter-spacing: 1.5rem; font-size: 1.2rem;
  color: var(--accent); opacity: 0.4; display: block; text-align: center;
}

/* Tag bar */
.tag-bar { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; margin: 1.5rem 0 0; }
.tag-bar .tag {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.3rem 1rem; border-radius: 20px;
  background: var(--accent-light); color: var(--accent);
  font-size: 0.82rem; font-weight: 500;
  border: 1px solid rgba(212, 168, 67, 0.15);
}

/* Sections */
.section { padding: 4rem 0; }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header h2 {
  position: relative; display: inline-block; font-size: 1.8rem;
  padding-bottom: 0.75rem; color: var(--text-primary);
}
.section-header h2::after {
  content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 60px; height: 3px; border-radius: 2px;
  background: var(--iridescent);
}
.section-header p { color: var(--text-muted); font-size: 0.95rem; margin-top: 0.5rem; max-width: 600px; margin-left: auto; margin-right: auto; }

/* Cards */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 1.75rem; box-shadow: var(--shadow-sm); transition: transform var(--transition), box-shadow var(--transition); }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.card-icon {
  width: 52px; height: 52px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-light), var(--gold-pale));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 1rem; color: var(--accent);
}
.card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }

/* Info grid */
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; }
.info-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 1.5rem; }
.info-card dt { font-size: 0.8rem; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.25rem; }
.info-card dd { font-size: 1rem; color: var(--text-primary); font-weight: 500; }

/* Screenshots */
.screenshots-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.25rem; }
.screenshot-item { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); cursor: pointer; transition: transform var(--transition), box-shadow var(--transition); }
.screenshot-item:hover { transform: scale(1.02); box-shadow: var(--shadow-lg); }
.screenshot-item img { width: 100%; display: block; }
.screenshot-caption { padding: 0.6rem 1rem; font-size: 0.85rem; color: var(--text-muted); background: var(--bg-card); border-top: 1px solid var(--border); }

/* CTA banner */
.cta-section {
  background: linear-gradient(160deg, #fefdfb 0%, #fdf6eb 50%, #fef9f0 100%);
  padding: 4rem 0; text-align: center; position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; top: -60px; right: 10%;
  width: 250px; height: 250px;
  background: radial-gradient(circle, rgba(232, 200, 97, 0.1), transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.cta-section h2 { font-size: 1.8rem; margin-bottom: 1rem; }
.cta-section p { color: var(--text-secondary); margin-bottom: 2rem; font-size: 1.05rem; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.85rem 2.5rem; border-radius: 28px;
  background: var(--accent-gradient); color: var(--text-white);
  font-weight: 600; font-size: 1.05rem;
  box-shadow: var(--gold-glow); border: none;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  cursor: pointer;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 36px rgba(212, 168, 67, 0.4); opacity: 0.93; color: var(--text-white); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.75rem 2rem; border-radius: 28px;
  border: 2px solid var(--accent); color: var(--accent);
  font-weight: 600; font-size: 1rem; background: transparent;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  cursor: pointer;
}
.btn-secondary:hover { background: var(--accent); color: var(--text-white); transform: translateY(-2px); }

/* Page hero (subpages) */
.page-hero {
  background: linear-gradient(160deg, #fefdfb 0%, #fdf8ef 40%, #fefbf6 70%, #fefdfb 100%);
  padding: 3rem 0; text-align: center; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; top: -30%; right: -10%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(232, 200, 97, 0.08), transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.page-hero h1 { font-size: 2.2rem; margin-bottom: 0.5rem; font-weight: 700; }
.page-hero p { color: var(--text-muted); font-size: 1rem; max-width: 600px; margin: 0 auto; }

/* Content section (subpages) */
.content-section { padding: 3rem 0; }
.content-section .container { max-width: 860px; }
.content-section h2 {
  font-size: 1.6rem; color: var(--accent); margin-top: 2.5rem; margin-bottom: 0.75rem;
  padding-left: 1rem; border-left: 3px solid var(--accent);
}
.content-section h2:first-child { margin-top: 0; }
.content-section h3 { font-size: 1.2rem; margin-top: 1.75rem; }
.content-section p { color: var(--text-secondary); line-height: 1.85; }
.content-section ul, .content-section ol { margin: 1rem 0 1.5rem 1.5rem; color: var(--text-secondary); line-height: 1.85; }
.content-section ul li, .content-section ol li { position: relative; padding-left: 1.2rem; margin-bottom: 0.5rem; }
.content-section ul li::before {
  content: '✦'; position: absolute; left: 0; top: -0.05em;
  color: var(--accent); font-size: 0.7rem;
}
.content-section ol { counter-reset: item; }
.content-section ol li::before {
  content: counter(item) "."; counter-increment: item;
  position: absolute; left: 0; top: 0; color: var(--accent); font-weight: 600;
}

/* Highlight box */
.highlight-box {
  background: linear-gradient(135deg, var(--accent-light), #fef9f0);
  border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem; margin: 1.5rem 0;
}
.highlight-box h4 { color: var(--accent); margin-bottom: 0.5rem; font-size: 1rem; }
.highlight-box p { margin-bottom: 0; font-size: 0.95rem; }

/* Tables */
.table-wrap { overflow-x: auto; margin: 1.5rem 0; }
.content-section table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.content-section table th, .content-section table td { padding: 0.75rem 1rem; border: 1px solid var(--border); text-align: left; }
.content-section table th { background: var(--accent-light); color: var(--text-primary); font-weight: 600; }
.content-section table td { color: var(--text-secondary); }
.content-section table tr:nth-child(even) td { background: #fefdfa; }

/* FAQ Accordion */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-md); margin-bottom: 0.75rem; overflow: hidden; background: var(--bg-card); transition: box-shadow var(--transition); }
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item.open { box-shadow: var(--shadow-sm); border-color: var(--accent); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 1rem 1.25rem; background: none; border: none;
  cursor: pointer; font-family: var(--font-main); font-size: 1rem;
  font-weight: 600; color: var(--text-primary); text-align: left;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--accent); }
.faq-icon {
  flex-shrink: 0; width: 24px; height: 24px;
  transition: transform 0.3s ease; color: var(--accent);
  font-size: 1.2rem; line-height: 24px; text-align: center;
}
.faq-item.open .faq-icon { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; }
.faq-item.open .faq-answer { max-height: 600px; }
.faq-answer-inner { padding: 0 1.25rem 1.25rem; color: var(--text-secondary); font-size: 0.95rem; line-height: 1.8; }

/* Character Cards */
.character-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; }
.character-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 2rem; text-align: center;
  box-shadow: var(--shadow-sm); transition: transform var(--transition), box-shadow var(--transition);
}
.character-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.character-avatar {
  width: 100px; height: 100px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-light), var(--gold-pale));
  margin: 0 auto 1rem; display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; color: var(--accent);
  border: 3px solid var(--accent);
  box-shadow: 0 0 20px rgba(212, 168, 67, 0.15);
}
.character-card h3 { font-size: 1.25rem; margin-bottom: 0.25rem; }
.character-role { font-size: 0.85rem; color: var(--accent); font-weight: 500; margin-bottom: 0.75rem; }
.character-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }

/* Guide steps */
.guide-steps { max-width: 800px; margin: 0 auto; }
.guide-step {
  display: flex; gap: 1.25rem; margin-bottom: 2rem; padding: 1.5rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.guide-step:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.step-number {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 50%;
  background: var(--accent-gradient); color: var(--text-white);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 700;
  box-shadow: var(--gold-glow);
}
.step-content h3 { font-size: 1.15rem; margin-bottom: 0.4rem; color: var(--accent); }
.step-content p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.75; }

/* Timeline */
.timeline { position: relative; padding-left: 2rem; margin: 2rem 0; }
.timeline::before { content: ''; position: absolute; left: 0.35rem; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--accent), var(--border), var(--accent)); }
.timeline-item { position: relative; margin-bottom: 2rem; padding-bottom: 0.5rem; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-item::before {
  content: ''; position: absolute; left: -1.65rem; top: 0.4rem;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent);
}
.timeline-item h3 { font-size: 1.1rem; color: var(--accent); margin-bottom: 0.3rem; }
.timeline-item p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }

/* Quote block */
blockquote {
  border-left: 3px solid var(--accent); padding: 0.75rem 1.25rem;
  margin: 1.5rem 0; background: var(--accent-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic; color: var(--text-secondary);
}

/* Story blocks */
.story-block { margin-bottom: 2rem; }
.story-block h3 { color: var(--accent); font-size: 1.2rem; margin-bottom: 0.5rem; padding-bottom: 0.4rem; border-bottom: 1px dashed var(--border); }
.story-block p { color: var(--text-secondary); line-height: 1.85; }

/* Breadcrumbs */
.breadcrumbs {
  padding: 0.75rem 0; font-size: 0.85rem; color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.breadcrumbs a { color: var(--text-muted); }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs span { margin: 0 0.4rem; color: var(--accent); }

/* Lightbox */
.lightbox { display: none; position: fixed; inset: 0; z-index: 9999; background: rgba(61, 50, 38, 0.93); justify-content: center; align-items: center; padding: 2rem; }
.lightbox.active { display: flex; }
.lightbox img { max-width: 90vw; max-height: 85vh; border-radius: var(--radius-md); box-shadow: 0 8px 40px rgba(0,0,0,0.35); }
.lightbox-close {
  position: absolute; top: 1.5rem; right: 2rem; width: 44px; height: 44px;
  border-radius: 50%; background: rgba(255,255,255,0.12); border: none;
  color: #fff; font-size: 1.5rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.lightbox-close:hover { background: rgba(255,255,255,0.22); }

/* Footer — minimal, no menu/CTA */
.site-footer {
  background: var(--bg-card); border-top: 1px solid var(--border);
  padding: 2rem 0; text-align: center; margin-top: auto;
}
.site-footer .footer-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }
.site-footer .copyright { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 1.75rem; } h2 { font-size: 1.4rem; }
  .hero-content h1 { font-size: 2rem; }
  .hero { padding: 3.5rem 0 2.5rem; }
  .hero-stats { gap: 1.5rem; }
  .hero-stat-value { font-size: 1.5rem; }
  .menu-toggle { display: flex; }
  .nav-menu {
    position: fixed; top: var(--header-height); left: 0; right: 0;
    background: rgba(255,255,255,0.97); backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--border);
    flex-direction: column; padding: 1rem 0; gap: 0.25rem;
    transform: translateY(-120%); opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    box-shadow: var(--shadow-md);
  }
  .nav-menu.open { transform: translateY(0); opacity: 1; }
  .nav-menu a { width: 100%; text-align: center; padding: 0.75rem 1rem; }
  .nav-cta { margin-left: 0; margin-top: 0.5rem; width: calc(100% - 2rem); text-align: center; justify-content: center; }
  .features-grid, .screenshots-grid, .character-grid { grid-template-columns: 1fr; }
  .guide-step { flex-direction: column; gap: 0.75rem; }
  .section, .cta-section { padding: 2.5rem 0; }
}
@media (max-width: 480px) {
  .hero-content h1 { font-size: 1.6rem; }
  .hero-stats { flex-direction: column; gap: 1rem; }
  .info-grid { grid-template-columns: 1fr 1fr; }
}
